// JavaScript Document

	var uFlag = false;
	var pFlag = false;
	function onClickUse(){
			if(uFlag == false) {
			    $(".tb_username").val("");
			    $(".tb_username").css("width","104px");
			    $(".tb_username").css("background-color","transparent");
			    $(".tb_username").css("border","none");
			    $(".tb_username").css("color","#FFF");
				uFlag = true;
			}
		}
	function onClickPass() {
			if(pFlag == false) {
			    $(".tb_password").val("");
			    $(".tb_password").css("width","104px");
			    $(".tb_password").css("background-color","transparent");
			    $(".tb_password").css("border","none");
			    $(".tb_password").css("color","#FFF");
				pFlag = true;
			}
		}
		
	function onBlurUse() {
			var user = $(".tb_username").val();
			if(user == "") {
			        $(".tb_username").val("tên đăng nhập");
			        $(".tb_username").css("width","104px");
			        $(".tb_username").css("background-color","transparent");
			        $(".tb_username").css("border","none");
			        $(".tb_username").css("color","#FFF");
					uFlag = false;
				}
		}
		
	function onBlurPass() {
			var pass = $(".tb_password").val();
			if(pass == "") {
			        $(".tb_password").val("mật khẩu");
			        $(".tb_password").css("width","104px");
			        $(".tb_password").css("background-color","transparent");
			        $(".tb_password").css("border","none");
			        $(".tb_password").css("color","#FFF");
					pFlag = false;
				}
		}



<!--Kết thúc đoạn Java script xử lý cho ô textbox đăng nhập-->
